The University of Tennessee
Institute of Agriculture
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Gary W. Rogers

 

Professor
201 D McCord
2640 Morgan Circle
Knoxville, TN 37996-4588
(865) 974-7289
Fax: (865) 974-9043
Email: grogers2@tennessee.edu

Research Appointment: 30%
Extension Appointment: 70%

PUBLICATIONS

Articles published in refereed journals

Rogers, G. W., B. T. McDaniel, M. R. Dentine, and L. P. Johnson. 1988. Relationships among survival rates, predicted differences for yield, and linear type traits. J. Dairy Sci. 71:214-222.

Rogers, G. W. and B. T. McDaniel. 1988. Relationships among type scores and changes in yield from first to second lactation. J. Dairy Sci. 71:232-238.

Rogers, G. W., J. A. M. Van Arendonk, and B. T. McDaniel. 1988. The influence of production and prices on optimum culling rates and annualized net revenue. J. Dairy Sci. 71:3453-3462.

Rogers, G. W., J. A. M. Van Arendonk, and B. T. McDaniel. 1988. The influence of involuntary culling on optimum culling rates and annualized net revenue. J. Dairy Sci. 71:3463-3469.

Rogers, G. W. and B. T. McDaniel. 1989. The usefulness of selection for yield and functional type traits. J. Dairy Sci. 72:187-193.

Rogers, G. W., B. T. McDaniel, M. R. Dentine, and D. A. Funk. 1989. Genetic correlations between survival and linear type traits measured in first lactation. J. Dairy Sci. 72:523-527.

Rogers, G. W., B. T. McDaniel, M. R. Dentine, and H. D. Norman. 1989. Relationships among proofs for survival, culling, and yields in first and later lactations. J. Dairy Sci. 72:528-532.

Rogers, G. W. 1990. A utility function for ranking sires that considers production, linear type traits, semen costs, and risk. J. Dairy Sci. 73:532-538.

Rogers, G. W., G. L. Hargrove, J. B. Cooper, and H. D. Norman. 1991. Management and genetic influences on survival in Jerseys. J. Dairy Sci. 74:279-285.

Rogers, G. W., G. L. Hargrove, J. B. Cooper, and E. P. Barton. 1991. Relationships among survival and linear type traits in Jerseys. J. Dairy Sci. 74:286-291.

Spencer, S. B. and G. W. Rogers. 1991. Effect of vacuum and milking liners on liner slip. J. Dairy Sci. 74:429-432.

Rogers, G. W., G. L. Hargrove, T. J. Lawlor, and J. L. Ebersole. 1991. Correlations among linear type traits and somatic cell counts. J. Dairy Sci. 74:1087-1091.

Rogers, G. W. and S. B. Spencer. 1991. Relationships among udder and teat morphology and milking characteristics. J. Dairy Sci. 74:4189-4194.

Baxter, J. D., G. W. Rogers, S. B. Spencer, and R. J. Eberhart. 1992. The effect of milking machine liner slip on new intramammary infections. J. Dairy Sci. 75:1015-1018.

Heinrichs, A. J., G. W. Rogers, and J. B. Cooper. 1992. Predicting body weight and wither height in Holstein heifers using body measurements. J. Dairy Sci. 75:3576-3581.

Rogers, G. W. 1993. Index selection using milk yield, somatic cell score, udder depth, teat placement, and foot angle. J. Dairy Sci. 76:664-670.

Rogers, G. W. and G. L. Hargrove. 1993. Absence of quadratic relationships between genetic evaluations for somatic cell scores and udder linear traits. J. Dairy Sci. 76:3601-3606.

Swartz, D. L., L. D. Muller, G. W. Rogers, and G. A. Varga. 1994. Effect of yeast cultures on performance of lactating dairy cows: A field study. J. Dairy Sci. 77:3073-3080.

Hens, J. R., G. W. Rogers, and S. Patton. 1995. Associations of the epithelial mucin, PAS-1, with yield, health, and reproductive traits in Holstein dairy cows. J. Dairy Sci. 78:2473-2480.

Huott, M. L., R. V. Josephson, J. R. Hens, G. W. Rogers, and S. Patton. 1995. Polymorphic forms of the epithelial mucin, PAS-1 (MUC1), in milk of Holstein cows. Comp. Biochem. Physiol. 111:559-565.

Nash, D. L. and G. W. Rogers. 1995. Herd sire portfolio selection: a comparison of rounded linear and integer programming. J. Dairy Sci. 78:2486-2495.

Rogers, G. W., G. L. Hargrove, and J. B. Cooper. 1995. Correlations among somatic cell scores of milk within and across lactations and linear type traits of Jerseys. J. Dairy Sci. 78:914-920.

Dymnicki, E., J. Philipsson, R. Grochowska, Z. Reklewski, G. W. Rogers, A. Kaczmarek, L. Rosochowicz, and Z. Dorynek. 1996. Comparison of dystocia, stillbirths and related traits between progeny of Swedish Friesian bulls in Swedish and Polish dairy herds. Polish Animal Sci. Papers and Reports. 14(4):223-233.

Nash, D. L. and G. W. Rogers. 1996. Risk management in herd sire portfolio selection: a comparison of rounded quadratic and separable convex programming. J. Dairy Sci. 79:301-309.

Wanner, J. M., D. R. Olver, G. W. Rogers, J. E. Umphrey, and D. P. Dickson. 1996. Investigation of linear type evaluation for collegiate judging contests. J. Dairy Sci. 79:907-911.

Rogers, G. W., G. Banos, U. Sander Nielsen, and J. Philipsson. 1998. Genetic correlations among somatic cell scores, productive life, and type traits from the United States and udder health measures from Denmark and Sweden. J. Dairy Sci. 81: 1445-1453.

Wanner, J. M., G. W. Rogers, M. E. Kehrli, and J. B. Cooper. 1998. Intramammary infections in primiparous Holsteins: heritabilities and comparisons of bovine leukocyte adhesion deficiency carriers and noncarriers. J. Dairy Sci. 81:3293-3299.

Rogers, G. W., G. Banos, and U. Sander Nielsen. 1999. Genetic correlations among protein yield, productive life, and type traits from the United States and disease other than mastitis from Denmark and Sweden. J. Dairy Sci. 82:1331-1338.

Wanner, J. M., G. W. Rogers, M. E. Kehrli, and J. B. Cooper. 1999. Clinical mastitis in primiparous Holsteins: comparisons of bovine leukocyte adhesion deficiency carriers and noncarriers. J. Dairy Sci. 82:2517-2523.

Martin, L. L. L., G. L. Hargrove, G. W. Rogers, and C. C. Engle. 2000. National Sheep Improvement Program: Heritability estimates for production traits in Columbia, Dorset, Hampshire, and Rambouillet sheep. Sheep and Goat Research J. 16:26-32.

Nash, D. L., G. W. Rogers, W. M. Sischo, J. B. Cooper, G. L. Hargrove, J. F. Keown, and L. B. Hansen. 2000. Heritability of clinical mastitis incidence and relationships with sire transmitting abilities for somatic cell score, udder type traits, productive life, and protein yield. J. Dairy Sci. 83:2350-2360.

Dechow, C. D., G. W. Rogers, and J. S. Clay. 2001. Heritabilities and correlations among body condition scores, production traits, and reproductive performance. J. Dairy Sci. 84:266-275.

Dechow, C. D., G. W. Rogers, and J. S. Clay. 2002. Heritabilities and correlations among body condition score loss, body condition score, production, and reproductive performance. J. Dairy Sci. 85:3062-3070.

Nash, D. L., G. W. Rogers, J. B. Cooper, G. L. Hargrove, and J. F. Keown. 2002. Relationships among severity and duration of clinical mastitis and sire transmitting abilities for somatic cell score, udder type traits, productive life, and protein yield. J. Dairy Sci. 85:1273-1284.

Dechow, C. D., G. W. Rogers, L. Klei, and T. J. Lawlor. 2003. Heritabilities and correlations among body condition score, dairy form, and selected linear type traits. J. Dairy Sci. 86:2236-2242.

Nash, D. L., G. W. Rogers, W. M. Sischo, J. B. Cooper, G. L. Hargrove, and J. F. Keown. 2003. Heritability of intramammary infections at first parturition and relationships with sire transmitting abilities for somatic cell score, udder type traits, productive life, and protein yield. J. Dairy Sci. 86:2684-2695.

Vallejo, R. L., Y. L. Li, G. W. Rogers, and M. S. Ashwell. 2003. Genetic diversity and background linkage disequilibrium in North American Holstein Cattle population. J. Dairy Sci. 86:4137-4147.

Dechow, C. D., G. W. Rogers, L. Klei, and T. J. Lawlor. 2004. Heritability and correlations among body condition score and dairy form within and across lactation and age. J. Dairy Sci. 87:717-728.

Dechow, C. D., G. W. Rogers, L. Klei, T. J. Lawlor, and P.M. VanRaden. 2004. Body condition score and dairy form evaluations as indicators of days open in US Holsteins. J. Dairy Sci. 87:3534-3541.

Dechow, C. D., G. W. Rogers, U. Sander-Nielsen, L. Klei, T. J. Lawlor, J.S. Clay, A.E. Freeman, G. Abel-Azim, A. Kuck, and S. Schnell. 2004. Correlations among body condition score from various sources, dairy form, and cow health from the US and Denmark. J. Dairy Sci. 87:3526-3533.

Norberg, E., G. W. Rogers, R. C. Goodling, J. B. Cooper, and P. Madsen. 2004. Genetic parameters for test-day electrical conductivity of milk for first-lactation cows from random regression models. J. Dairy Sci. 87: 1917-1924.

Heinrichs, A. J., B. S. Heinrichs, O. Harel, G. W. Rogers, and N. T. Place. 2005. A prospective study of calf factors affecting age, body size, and body condition score at first calving of Holstein dairy heifers. J. Dairy Sci. 88:2828-2835.

Mitchell, R. G., G. W. Rogers, C. D. Dechow, J. E. Vallimont, J. B. Cooper, U. Sander-Nielsen, and J. S. Clay. 2005. Milk urea nitrogen concentration: heritability and genetic correlations with reproductive performance and disease. J. Dairy Sci. 88:4434-4440.

Norberg, E., G. W. Rogers, J. Odegard, J. B. Cooper, and P. Madsen. 2006. Genetic correlation between test-day electrical conductivity of milk and mastitis. J. Dairy Sci. 89: 779-781.

Heinrichs, A. J., H. N. Erb, G. W. Rogers, J. B. Cooper, and C. M. Jones. 2007. Variability in Holstein heifer heart-girth measurements and comparison of prediction equations for live weight. Prev. Vet. Med. 78:333-338.

Spencer, S. B., J.-W. Shin, G. W. Rogers, and J. B. Cooper. 2007. Short Communication: Effect of vacuum and ratio on the performance of a mono-block silicone milking liner. J. Dairy Sci. 90:1725-1728.

C. D. Dechow, G. W. Rogers, J. B. Cooper, M. I. Phelps, and A. L. Mosholder. 2007. Milk, Fat, Protein, Somatic Cell Score, and Days Open Among Holstein, Brown Swiss, and Their Crosses. J Dairy Sci 2007 90: 3542-3549. 

Articles published in popular press

Rogers, G. W. and B. T. McDaniel. 1988. Udder traits most strongly related to longevity. Hoard's Dairyman. February 25. 133:178-179.

Rogers, G. W. 1988. Heifer values have impact on optimum cull rates. Hoard's Dairyman. October 25. 133:848.

Rogers, G. W. 1990. Look at udders and feet when picking bulls. Hoard's Dairyman. January 10. 135:16.

Specht, L. W. and G. W. Rogers. 1990. We compared U.S. and Canadian bulls. Hoard's Dairyman. August 25. 135:681.

Rogers, G. W. 1991. Better udders mean lower somatic cell counts. Hoard's Dairyman. August 25. 136:625.

Rogers, G. W. 1991. Relationships between type traits and culling in Jersey cattle. Jersey Journal. September. 38:59-60.

Heinrichs, A. J. and G. W. Rogers. 1995. Holstein weight tapes have been updated. Hoard's Dairyman. September 10. 140:590.

Rogers, G. W. 1995. Should you consider using imported semen? Hoard's Dairyman. July. 140:469.

Rogers, G. W. 1995. Somatic cell scores and linear type traits in Jerseys. Jersey Journal. November. 42:29-31.

Rogers, G. W. and K. Weigel. 1997. Are progeny test bulls always a better buy? Hoard's Dairyman. June. 142:487.

Decker, E. A., Rogers, G. W., and J. B. Cooper. 1999. Correlations among Jersey sire evalautions. Jersey Journal. August. 46:75-76.

Rogers, G. W. and D. Olver. 2000. Current status of linear type evaluation in judging contests. Lancaster Farming. May 6 page A35.

Rogers, G. W. 2000. Globalization of dairy cattle breeding programs. Lancaster Farming. June 24 page A26.

Rogers, G. W. 2002. Breeding for increased angularity and reduced body condition is a mistake. The Dairy Mail (The Dairy Mail is South Africa’s only major dairy publication). November. 9:63-65.

Rogers, G. W. 2003. Reduced clinical mastitis – breed for lower SCCs. The Dairy Mail. January. 10:85-87.

Rogers, G. W. 2003. How dangerous is inbreeding? The Dairy Mail. March. 10:75-76.

Rogers, G. W. 2003. Longevity or Survival. The Dairy Mail. May. 10:83-85.

Rogers, G. W. 2003. Semen quality lowers risk. The Dairy Mail. July. 10:103-105.

Rogers, G. W. 2003. Impact of genetics on heat tolerance. The Dairy Mail. September.10:89-93.

Weigel K. A. and G. W. Rogers. 2003. Sire selection decisions – A return on investment approach. Horizons by Genex Cooperative. April. Vol. 9 pages 20-21.

Articles published in conference proceedings

Rogers, G. W. 1989. Modeling costs of involuntary culling. Pages 23-28 in Proceedings of Seminar VII on Measuring the Impact of Reproductive Performance on the Herd. Annual Meeting of American Association of Bovine Practitioners.

Rogers, G. W. 1989. Heritability of reproductive and health characteristics. Pages 29-34 in Proceedings of Seminar VII on Measuring the Impact of Reproductive Performance on the Herd. Annual Meeting of American Association of Bovine Practitioners.

Rogers, G. W. 1989. Sire selection for maximum profit. Pages 35-38 in Proceedings of Seminar VII on Measuring the Impact of Reproductive Performance on the Herd. Annual Meeting of American Association of Bovine Practitioners.

Rogers, G. W., M. R. Dentine, I. Miedema, and H. D. Norman. 1990. Relationships among non-yield culling and linear type traits in Holsteins. Volume XIV, pages 213-216 in Proceedings of the 4th World Congress on Genetics Applied to Livestock Production.

Rogers, G. W. 1992. How much should genetic evaluations for somatic cell counts be emphasized in sire selection? Pages 119-123 in Proceedings of 31st Annual Meeting. National Mastitis Council.

Sischo, W. M. and G. W. Rogers. 1992. Epidemiology of heifer mastitis. Volume 28 part 2, pages 101-104 in Proceedings of 17th World Buiatrics Congress.

Rogers, G. W. 1993. Use of genetic evaluations for somatic cell scores in sire selection. Pages 28-35 in Proceedings of 1993 University of Tennessee Dairy Conference.

Rogers, G. W. 1993. Use of genetic markers for improving dairy cattle. Pages 36-46 in Proceedings of 1993 University of Tennessee Dairy Conference.

Nash, D. L. and G. W. Rogers. 1994. Selecting dairy herd sires with a risk programming model that considers proven and unproven sires. Volume 18, pages 310-313 in Proceedings of the 5th World Congress on Genetics Applied to Livestock Production.

Rogers, G. W. 1994. Requirements and uses of evaluations for health and reproductive traits. Volume 17, pages 81-88 in Proceedings of the 5th World Congress on Genetics Applied to Livestock Production.

Sischo, W. M., G. W. Rogers, L. I. Westerman, and J. B. Cooper. 1994. Evaluation of the effectiveness of different therapeutic approaches for bovine mastitis: an observational study. Kenya Veterinarian. Special Issue, pages 490-492 in Proceedings of International Symposium on Veterinary Epidemiology and Economics.

Rogers, G. W. 1996. Using type for improving health of the udder and feet and legs. INTERBULL Bulletin 12. Pages 33-41 in Proceedings of International Workshop on Genetic Improvement of Functional Traits in Cattle.

Rogers, G. W., G. Banos, U. Sander Nielsen, and J. Philipsson. 1996. Genetic correlations among somatic cell scores, productive life, and type traits from the United States and udder health measures from Denmark and Sweden. INTERBULL Bulletin 14. Pages 34-38 in Proceedings of INTERBULL Annual Meeting.

Rogers, G. W., G. Banos, and U. Sander Nielsen. 1996. Genetic correlations among protein, productive life, and type traits from the United States and diseases other than mastitis from Denmark and Sweden. INTERBULL Bulletin 14. Pages 39-42 in Proceedings of INTERBULL Annual Meeting.

Rogers, G. W. 1997. Genetic evaluations for mastitis and relation to type traits. Section 7, pages 1-9 in Proceedings of the 1997 International Red Cow Conference.

Rogers, G. W. 1998. Will continued improvement in production be worth the added (health) costs? Pages 5-11 in Proceedings of the 1998 US National Dairy Genetics Workshop.

Rogers, G. W. 2001. Profitable dairy farming: Special reference to USA. Pages 45-47 in Proceedings of the 2001 All African Dairy Expo.

Rogers, G. W. 2001. Breeding for profitability and longevity in dairy cattle. Pages 47-49 in Proceedings of the 2001 All African Dairy Expo.

Rogers, G. W. 2001. Critical control points of everyday dairy management. Pages 49-50 in Proceedings of the 2001 All African Dairy Expo.

Dechow, C. D., G. W. Rogers, and J. S. Clay. 2002. Genetic correlations among body condition scores, body condition score loss, production and days to first insemination. Proceedings of the 7th World Congress on Genetics Applied to Livestock Production. CD-ROM communication no. 01-32. (4 pages)

Rogers, G. W. 2002. Aspects of milk composition, productive life and type traits in relation to mastitis and other diseases in dairy cattle. Proceedings of the 7th World Congress on Genetics Applied to Livestock Production. CD-ROM communication no. 09-18. (8 pages)

Spencer, S. B. and G. W. Rogers. 2003. Optimization of a milking machine liner. Pages 234-238 in Proceedings of 42nd Annual Meeting of National Mastitis Council.

Rogers, G. W. 2005. Modern Dairy Genetic Options. Seven pages in Proceedings of 2005 Kentucky Dairy Conference.